Analytical chemistry reagent for detecting inorganic ions. Source of cesium metal. Phase transfer catalyst in organic chemistry. Used for density gradient work to separate and purify proteins (isopycnic centrifugation) including chromosomal, plasmid and organelle (mitochondrial or plasmid) DNAs, and different RNA types. Preparation of electrically conducting glasses and screens of cathode ray tubes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.